2. which type of change—political, social, or economic—faced the most challenges? why were southerners against this type of change? -

The type of change that faced the most challenges was social. The south did not want to change their ways and wanted to continue their actions. ”... laws required the Southern states to provide equal rights and protection to African Americans.” However, “Southern white men and women struggled to accept this new social order.”  

Explanation:

uhh please dont copy it word for word lol

regarding the law, the 15th amendment was specifically designed thinking in the rights of black free men.

even though ratified on february 3, 1870, the promise of the 15th amendment would not be fully applied for a long time.poll taxes and literacy tests would allow southern states disenfranchise african americans. only in 1965 the voting rights for african americans would be actually able to vote in the south.

in 1965, president johnson signed the voting rights act, which aimed to overcome legal barriers that prevented african americans from voting as it was guaranteed by the 15th amendment to the u.s. constitution.